Home / 3,683.54-5,525.58-1,220.10

Finding the Fourth Proportional to 3,683.54, 5,525.58 and 1,220.10

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Solution

The fourth proportional to 3,683.54, 5,525.58 and 1,220.10 is: 1,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.54 : 5,525.58 = 1,220.10 : x
  2. Step 2: Convert to fraction form
    3,683.54/5,525.58 = 1,220.10/x
  3. Step 3: Cross multiply
    3,683.54x = 5,525.58 × 1,220.10
  4. Step 4: Simplify right side
    3,683.54x = 6,741,760.16
  5. Step 5: Solve for x
    x = 6,741,760.16/3,683.54
  6. Step 6: Final answer
    x = 1,830.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.